pneumonia Flashcards
How does pneumonia present?
Shortness of breath Cough productive of sputum Fever Haemoptysis Pleuritic chest pain Delirium Sepsis
What are the signs sepsis?
Tachypnoea Tachycardia Hypoxia Hypotension fever confusion
What are the characteristic chest signs of pneumonia?
Bronchial breath sounds
Focal coarse crackles
Dullness to percusioon
Describe bronchial breath sounds
Harsh breath sounds equally loud on inspiration and expiration. Caused by consolidation of the lung tissue around the airway
What does CURB65 stand for?
Confusion Urea >7 Respiratory rate >30 Blood pressure <90 systolic or <60 diastolic Age >65
What does the CURB65 score indicate?
Predicts mortality
0/1 consider treatment at home
>2 consider hospital admission
>3 consider intensive care assessment
What are the two common organisms causing pneumonia?
Streptococcus pneumonias
Haemophilus influenzae
What are other causes of pneumonia and their associations?
Moraxella catarthalis - immunocomprised / chronic lugn disease
Pseudomonas - Cystic fibrosis / bronchiectasis
Staph aureus - cystic fibrosis
What is meant by atypical pneumonia?
A pneumonia caused by an organism which cannot be cultured
How should atypical pneumonia be treated?
Macrolides (clarithromycin)
FLuoroquines (levofloxacin)
tetracyclines (doxycycline)
What are the 5 causes of atypical pneumonia?
Legions of psittaci MCQs
Legionella - water, SIADH
Chylamydia psittaci - infected birds
mycoplasma - causes erythema multiform
Chlamydophila pneumonia - school aged child with mild to moderate chronic pneumonia and wheeze
Qs fever - Coxiella Burnetii - exposure to animals and their bodily fluids
Describe pneumocystitis jiroveci
PCP
immunocompromised patients
dry cough, SOB and night sweats
Treatment with co-trimoxazole
What are the investigations for pneumonia?
Chest xray FBC (white cells) U&Es (urea) CRP (infection) Sputum cultures Blood cultures legionella and pneumococcal urinary antigens
What are the potential complications of pneumonia?
Sepsis pleural effusion empyema Lung abscess Death